Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 2954 more...
- ItemBB017485 - Northern Pacific Engineering Drawing: Shop Plan - Stringer Details, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- ItemBB017486 - Northern Pacific Engineering Drawing: Shop Plan - Stringer Details, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- ItemBB017487 - Northern Pacific Engineering Drawing: Shop Plan - Portal Brace, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- ItemBB017488 - Northern Pacific Engineering Drawing: Shop Plan - Strut and Miscellaneous, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- ItemBB017489 - Northern Pacific Engineering Drawing: Shop Plan - Bearing Blocks, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- ItemBB017490 - Northern Pacific Engineering Drawing: Shop Plan - Bearing Blocks, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- ItemBB017491 - Northern Pacific Engineering Drawing: Shop Plan - Miscellaneous Details, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- ItemBB017492 - Northern Pacific Engineering Drawing: Shop Plan - Miscellaneous Details, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- ItemBB017493 - Northern Pacific Engineering Drawing: Shop Plan - Diagonal Brace, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- 4765 more...